---
title: Common Properties
sidebar_position: 2
---

All events share two common properties.

### type: string
A type of the event.
This value is equal to event's name.

:::info Example
```ts
viewer.on("ready", evt => {
  console.log(evt.type); // "ready"
});
```
:::

### target: View360
An instance of the component that triggered this event.

:::info Example
```ts
viewer.on("ready", evt => {
  console.log(evt.target); // = viewer
});
```
:::
